i know, i was surprised too until someone posted about it in another article. she stabs him in the arm though, and leaves the knife in there, while the other choices are hit in the head and drop the weapon.

Cleaver. I didn't believe Clementine would be strong enough to do anything helpful with anything blunt and I didn't conceal it because it's never a good idea trying to be the smart guy when the other person has a hostage.